.ccc-wrapper{max-width:700px;margin:auto;padding:20px;border-radius:8px;background:#f8f9fc;box-shadow:0 0 10px rgba(0,0,0,.1);font-family:Arial,sans-serif}.ccc-box{display:flex;flex-wrap:wrap;gap:10px;margin:15px 0}.ccc-box input,.ccc-box select{padding:10px;flex:1 1 30%;font-size:1em}#ccc-result{font-weight:700;font-size:1.2em}